error[E0506]: cannot assign to `*s` because it is borrowed --> $DIR/borrowck-loan-of-static-data-issue-27616.rs:16:5 | LL | let alias: &'static mut String = s; | ------------------- - `*s` is borrowed here | | | type annotation requires that `*s` is borrowed for `'static` ... LL | *s = String::new(); | ^^ `*s` is assigned to here but it was already borrowed error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0506`.